Question

Calculati A∪B, A∩B, A\B, B\A, stiind ca:
A={x∈R| |2x-1|≤5}
B={x∈R| -2<(x+3)/3≤1}

Answer 1

A={2,1}
B={0,1,2}
A ∪B={2,1,0}
A∩B={1,2}
A\B={multimea vida}
B\A={0}